Datta-Das transistor with enhanced spin control

Details Datta-Das transistor with enhanced spin control Datta-Das transistor with enhanced spin control

2002-09-30

arxiv.org/abs/cond-mat/0209682v2

Appl. Phys. Lett. 82, 2658 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Added ref. + corrected typos

Scientific paper

10.1063/1.1564867

We consider a two-channel spin transistor with weak spin-orbit induced
interband coupling. We show that the coherent transfer of carriers between the
coupled channels gives rise to an \textit{additional} spin rotation. We
calculate the corresponding spin-resolved current in a Datta-Das geometry and
show that a weak interband mixing leads to enhanced spin control.

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